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Datalogging Sound Level Meter

Datalogging Sound Level Meter



Extech High Accuracy Sound Level Meter with Storage of 20,000 Readings


  • Three Measurement Ranges from 30dB to 130dB
  • Adjustable Alarm Level with Visual Alert Indicator
  • Capture up to 10 Readings per Second When Connected to PC
  • Auto Power Off with Disable Capability
  • Min/Max and Data Hold Functions


Sound Range 30 to 130dB
Sound Accuracy ±1.4dB
Frequency Range 31.5Hz to 8kHz
Dynamic Range 50dB
Frequency Weighting A and C
Response Time Fast (125ms) / Slow (1 Second)
Analog Outputs AC: 1Vrms Full Scale; Output Impedance: 100 OHms
DC: 10 mV/1dB; Output Impedance: 1 kOhms
Data Storage Capacity 20,000 Readings/Samples
Auto Power Off Approximately 15 Minutes of Inactivity with Disable
Power Supply (1) 9 Volt Battery or 12 Volt AC Adaptor
Battery Life 30 Hours
Microphone 1/2" Electret Condenser
Display 4 Digit LCD with Bargraph and Backlighting
Display Update Rate 2 Times/Second
Range Indicators "Over" and "Under"
Operating Conditions Temperature: 32°F to 104°F (0°C to 40°C)
Humidity: 10% to 90% RH
Storage Conditions Temperature: 14°F to 140°F (-10°C to 60°C)
Humidity: 10% to 75% RH
Compliance Standards IEC61672-1:2002 Class 2
IEC 60651: 1979 Type 2
ANSI S1.4:1983 Type 2
Weight 12.3oz (350g)
Dimensions 10.9" x 3.0" x 2.0" (278mm x 76mm x 50mm)